SOLUTION: Marissa has $4.40 in quarters and dimes. If she has 5 more quarters than dimes, how many of each coin does she have?

Question 510970: Marissa has $4.40 in quarters and dimes. If she has 5 more quarters than dimes, how many of each coin does she have?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Marissa has $4.40 in quarters and dimes. If she has 5 more quarters than dimes, how many of each coin does she have?
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Value:::: 10d + 25q = 440 cents
Quantity: q = d + 5
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Substitute for "q" and solve for "d":
10d + 25(d+5) = 440
10d + 25d + 125 = 440
35d = 315
d = 9 (# of dimes)
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Solve for "q":
q = d+5
q = 14 (# of quarters)
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Cheers,
Stan H.
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